------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20
WARNING: CPU: 1 PID: 4437 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 1 PID: 4437 Comm: syz.3.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 a0 f3 a6 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 4b 74 a3 f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff
RSP: 0018:ffffc900001e0580 EFLAGS: 00010246
RAX: 2265ea6cf5189400 RBX: 000000000000000c RCX: ffff88802d143c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffffc900001e0207 R09: 1ffff9200003c040
R10: dffffc0000000000 R11: fffff5200003c041 R12: 0000000000000020
R13: dffffc0000000000 R14: ffff888054903358 R15: ffff888057545ca8
FS: 00007f30bd2b06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30bd2afff8 CR3: 0000000075d70000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921
ieee80211_beacon_get_finish+0x391/0x6d0 net/mac80211/tx.c:5133
ieee80211_beacon_get_ap+0xff9/0x1700 net/mac80211/tx.c:5236
__ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5332
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5474
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1751 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1815
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1832
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:mod_delayed_work_on+0x16b/0x1b0 kernel/workqueue.c:1747
Code: 2e 00 eb 1c e8 e6 10 2e 00 eb 15 e8 df 10 2e 00 e8 9a eb da 08 4d 85 ff 74 e3 e8 d0 10 2e 00 fb 49 bf 00 00 00 00 00 fc ff df <31> ff 89 de e8 1c 14 2e 00 85 db 0f 95 c0 48 c7 44 24 20 0e 36 e0
RSP: 0018:ffffc9000487f1e0 EFLAGS: 00000287
RAX: ffffffff81546ad0 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90010066000 RSI: 000000000000238f RDI: 0000000000002390
RBP: ffffc9000487f298 R08: ffffffff90aff2a7 R09: 1ffffffff215fe54
R10: dffffc0000000000 R11: fffffbfff215fe55 R12: 0000000000000000
R13: 0000000000000008 R14: 1ffff9200090fe40 R15: dffffc0000000000
netif_carrier_on+0x9b/0x120 net/sched/sch_generic.c:594
ieee80211_start_ap+0x149f/0x1ed0 net/mac80211/cfg.c:1414
rdev_start_ap+0x102/0x2b0 net/wireless/rdev-ops.h:169
nl80211_start_ap+0x1d57/0x2550 net/wireless/nl80211.c:6173
genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:756
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0x604/0x790 net/netlink/genetlink.c:850
netlink_rcv_skb+0x1fb/0x450 net/netlink/af_netlink.c:2511
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5be/0x970 net/socket.c:2518
___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
__sys_sendmsg net/socket.c:2601 [inline]
__do_sys_sendmsg net/socket.c:2610 [inline]
__se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f30bc39ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f30bd2b0028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f30bc616090 RCX: 00007f30bc39ce59
RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000006
RBP: 00007f30bc432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f30bc616128 R14: 00007f30bc616090 R15: 00007fffa8ffbb48
----------------
Code disassembly (best guess), 2 bytes skipped:
0: eb 1c jmp 0x1e
2: e8 e6 10 2e 00 call 0x2e10ed
7: eb 15 jmp 0x1e
9: e8 df 10 2e 00 call 0x2e10ed
e: e8 9a eb da 08 call 0x8daebad
13: 4d 85 ff test %r15,%r15
16: 74 e3 je 0xfffffffb
18: e8 d0 10 2e 00 call 0x2e10ed
1d: fb sti
1e: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
25: fc ff df
* 28: 31 ff xor %edi,%edi <-- trapping instruction
2a: 89 de mov %ebx,%esi
2c: e8 1c 14 2e 00 call 0x2e144d
31: 85 db test %ebx,%ebx
33: 0f 95 c0 setne %al
36: 48 rex.W
37: c7 .byte 0xc7
38: 44 24 20 rex.R and $0x20,%al
3b: 0e (bad)
3c: 36 ss
3d: e0 .byte 0xe0